Calculator



FIG. 1 is a top, front perspective view of the calculator of the present invention;

FIG. 2 is a top, rear perspective view of the calculator of FIG. 1;

FIG. 3 is a front elevation view of the calculator of FIG. 1;

FIG. 4 is a rear elevation view of the calculator of FIG. 1;

FIG. 5 is a top plan view of the calculator of FIG. 1;

FIG. 6 is a right side elevation view, the left side view being a mirror image, of the calculator of FIG. 1;

FIG. 7 is a top, front perspective view of the calculator of FIG. 1 showing the doors in an open position and the base portion housing a calculator; and,

FIG. 8 is a top, rear perspective view of the calculator of FIG. 1 showing one door in the open position and one door in the closed position, the base portion housing a calculator. 

I claim the ornamental design for a calculator, as shown and described. 